Power pack



FIG. 1 is a perspective view of a power pack showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front elevational view thereof.

The elements shown in broken lines are provided for illustrative purposes only and form no part of the design claimed. 

What is claimed is the ornamental design for a power pack, as shown and described. 